#55 xAI: Grok 4.20
medium- Cost
- $0.041
- Time
- 110.3s
- Tokens
- 16,336 tok
Summary
Grok 4.20 scores 7.3 on AI BENCHY and ranks #55. It has 10.0 reliability, a 63.5% pass rate, $0.609 total cost, and 27.68s average response time.
What makes Grok 4.20 unique: It stands out most in Coding, where it ranks #1, while Tool Calling is its weakest area at #14. It uses unusually many reasoning tokens, which can help explain its slower or more expensive runs.
Identity note
Grok 4.20 Beta was the preview version of Grok 4.20.
7.3
Consistency
8.8
10.0
Total Output Tokens
221,343
Total Input Tokens
44,433
Input Price
$1.250 / 1M
Output Price
$2.500 / 1M
Flaky tests
3
Flaky tests had mixed outcomes across runs (at least one pass and one fail).
Generation showcase
Hamster playing table tennis
Prompt: Create a detailed SVG illustration of a hamster playing table tennis.
Run history
| Tested on | Score | Reliability | Tests Correct | Total Cost | Compare |
|---|---|---|---|---|---|
| 2026-06-04 14:17 New test added | 7.1 | 10.0 | $0.609 ↓ | Current run | |
| 2026-05-22 00:32 Suite changed | 6.7 | 10.0 | $0.832 | Compare | |
| 2026-05-08 15:32 Suite changed | 6.9 | 10.0 | $0.756 | Compare | |
| 2026-04-11 01:44 First recorded run | 7.0 | N/A | $0.743 | Compare |
This run used a different benchmark suite. Keep suite changes in mind when reading historical movement.
Run comparison
| Run | Score | Consistency | Reliability | Tests Correct | Flaky tests | Total Output Tokens | Total Input Tokens | Total Cost | Response Time (avg) |
|---|---|---|---|---|---|---|---|---|---|
| 2026-06-04 14:17 · Current run | 7.3 | 8.8 | 10.0 | 12/21 | 3 | 221,343 | 44,433 | $0.609 | 27.68s |
| 2026-04-11 01:44 · First recorded run | 7.0 | 7.8 | N/A | 9/18 | 5 | 111,626 | 0 | $0.743 | 10.33s |
| Difference | +0.4 | +1.0 | +3 | -2 | +109717 | +44433 | -$0.134 | +17353ms |
These two runs used different benchmark suites, so the deltas reflect both model changes and suite changes.
Price History
Historical pricing data for this model from OpenRouter.
| Date | Input Price | Output Price |
|---|---|---|
| 2026-06-04 15:40 | $1.250 / 1M | $2.500 / 1M |
Charts
Choose the first model, then click a second model to open a side-by-side page.
Top Models by Score
Score vs Total Cost
Response Time (avg)
Score vs Response Time (avg)
Total Output Tokens
Score vs Total Output Tokens
Quick Compare
Category Breakdown
| Category | Score | Consistency | Tests Correct |
|---|---|---|---|
| Anti-AI Tricks | 8.2 | 7.9 | |
| Coding | 6.3 | 6.6 | |
| Combined | 10.0 | 10.0 | |
| Data parsing and extraction | 10.0 | 10.0 | |
| Domain specific | 5.3 | 10.0 | |
| General Intelligence | 3.9 | 2.6 | |
| Instructions following | 9.8 | 10.0 | |
| Puzzle Solving | 7.7 | 10.0 | |
| Tool Calling | 3.0 | 10.0 | |
| Trivia | 3.0 | 10.0 |